Simultaneous Nadir Overpasses (SNOs) between NPP and METOP-C
TLE Epoch: 2020 4 18.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2020   21:59:04   (  72.55,-157.67) 04/18/2020   21:58:11  (  72.53,-157.72)    2.41                53
 04/18/2020   22:49:48   ( -72.55,   9.63) 04/18/2020   22:48:52  ( -72.54,   9.63)    1.12                56
 04/18/2020   23:40:34   (  72.55, 176.94) 04/18/2020   23:39:32  (  72.56, 177.00)    2.19                62
 04/19/2020   00:31:17   ( -72.51, -15.65) 04/19/2020   00:30:14  ( -72.52, -15.75)    3.66                63
 04/19/2020   01:22:04   (  72.56, 151.56) 04/19/2020   01:20:54  (  72.54, 151.62)    2.60                70
 04/19/2020   02:12:47   ( -72.51, -41.04) 04/19/2020   02:11:36  ( -72.50, -41.13)    3.25                71
 04/19/2020   03:03:31   (  72.41, 126.48) 04/19/2020   03:02:18  (  72.42, 126.03)   15.09                73
 04/19/2020   03:54:14   ( -72.37, -66.12) 04/19/2020   03:53:01  ( -72.33, -66.81)   23.76                73
 04/19/2020   04:44:55   (  72.11, 101.70) 04/19/2020   04:43:45  (  72.14, 100.15)   52.85                70
 04/19/2020   05:35:38   ( -72.07, -90.90) 04/19/2020   05:34:28  ( -72.06, -92.68)   60.94                70
 04/19/2020   06:26:19   (  71.80,  76.90) 04/19/2020   06:25:13  (  71.81,  74.19)   93.82                66